I believe that she was infact pleasuring her when it was merely to tease Parsee. Think about a giant tongue rubbing under her and probably also between her legs. That or Parsee is also into vore.
Nnn...Haha, it's like you're bite-sized or somethin'! Guess I might as well have a little taste~Sto....p... *blushing*Ack, I don't get it, what're you saying!?Ahh...Wow, so even you've gotten caught up in all this strangeness, huh, Parsee...St...S-sorry, Parsee!Hey, don't hold me like I'm some kind of bug!Hey, Yuugi! Sto- oohh...Yuugi, you idiot...